UASB工艺在啤酒废水处理中的应用

UASB1,2,1,2,1(1.,230061;2.,230009):,UASB+,UASBpH,,:;;UASB;:X703.1:C:1000-4602(2006)16-0062-05ApplicationofUpflowAnaerobicSludgeBlanketProcesstoaBreweryWastewaterTreatmentKUANGWu1,2,YINFu2cai1,SUNShi2qun2,WANGJun1(1.ProvincialKeyLaboratoryofResearchonWastewaterTreatmentTechnology,AnhuiResearchAcademyofEnvironmentalScience,Hefei230061,China;2.SchoolofResourcesandEnvironment,HefeiUniversityofTechnology,Hefei230009,China)Abstract:Thepracticalengineeringofalarge2scalebreweryinAnhuiProvinceshowsthatanup2flowanaerobicsludgeblanket(UASB)reactorwithinnercirculationfollowedbyanaerobictechniqueisafeasibleprocessforbrewerywastewatertreatment.Duetotheinnercirculationofeffluentandthein2clinedplateseparator,theUASBsystemshowsflexibilityinpHandtemperaturevariation,stableopera2tion,andhighefficiencyandlowenergyconsumptioninthedebuggingandoperation.Therestartingofthesysteminspringisrapid.Keywords:brewerywastewater;innercirculation;upflowanaerobicsludgeblanketreactor;inclinedplategas2liquid2solidseparator,,(UASB),,20004500m3/d,UASB+,,1,,,,CODBOD5SS,,,CODpH,BOD5/COD(0.50.7),,UASB,26221620068CHINAWATER&WASTEWATERVol.22No.16Aug.2006,11UASB+Fig.1Flowchartofbrewerywastewatertreatmentprocess2,()()pH,,UASB,(),90%,80%,,pH,(VFA)VFA,UASB,pH(7.06.0),pH,(NP),UASB3UASBUASB(),,UASBCO2(),,,510mpHpH,pH6.57.8,3540,UASB,,UASB,UASBpHCOD,UASBpH,UASB,,;,,(Re),(Fr),,4UASBUASB100mV,-300mV,,,H2SpH,,1m,PVC,5UASB,,3616,:UASB22,,511UASB,,,(5mm),,,,,512,UASB1.5m,,(,),UASB,(34mm),3#(SP3),(SV)500mL/L,UASB,UASB,513UASB,COD5%[0.10kgCOD/(m3d)],SP1SP6pH,pH(6.57.8),HClNaOH,pH7.0SP3VFA,VFA500mg/L,COD0.5kgCOD/(m3d)SP3VFA(,150200mg/L),20%UASB,VFA,VFA,UASB,60d,UASB65%,,1/41mm,514UASB,,COD,UASB,(),UASB,,:UASB,,;,;COD,;UASB,VFA515,UASB1mUASB,1h(SV)11UASBSVTab.1SVvalueateachsamplepointinthepresenceofsludgeinUASB/mSV/(mLL-1)SP10.37001000SP20.67001000SP30.97001000SP41.2500700SP52.0500700SP64.0300500UASB,,6UASB611UASBUASB,4616227.0kgCOD/(m3d),HRT6.0h35004500m3/d,COD12002200mg/L,UASB,COD85%,,UASB,,VFA612pHpH,pH6.57.8pHpH,,UASBpH6.08.5,,,pHNaOHNaHCO3,6133040,3738,(1215),(),,,UASB40,,,UASB614UASB,,COD/N/P1000/7.5/1.5,UASB,FeMgCaMnNiZnBMoSe,615/,,/(2)2Tab.2Maximumconcentrationofsubstanceproducingtoxicityformethanebacteria//(mgL-1)C6H6400Cl-8000Ca2+4500Cr6+1LAS()100Fe2+Fe3+500SO2-45000,VFA,,,pH,,H2SS80mg/L,:pH,UASBpH(7.58.0),H2S;UASB,,;UASB,H2S616UASB,4,UASB,,1UASBVFA,4,,7UASB+,UASBCOD85%,1kgCOD0.300.35kWh,,5616,:UASB22UASBpH,UASB,,pHCOD,,UASB,,UASB,:[1].[M].:,1998.[2].[M].:,1996.[3].[M].:,1993.[4],,,.UASB+AF[J].,2001,17(2):53-54.[5].[J].,1998,14(1):48-49.[6].UASB[J].,2002,20(2):18-23.[7].UASB-[J].,2003,21(1):15-17.:[phone]/2821249E-mail:[e-mail]:2006-03-3020022005248,116,46.7%;53,21.4%;()197,7.7%2.8%248,4,87,18,131,12,35%7%53%5%:,(),,7%,,;,5%,1/3(35%),()661622